GENERAL SPECIFICATIONS 11 CONCRETE - New York City

1 GENERAL SPECIFICATIONS 11 CONCRETEN ovember 8, 1991 THE city OF NEW YORKBUREAU OF WATER AND SEWER OPERATIONSDEPARTMENT OF ENVIRONMENTAL OPERATIONSE nvironmentalProtectionINFRASTRUCTURE DESIGN STANDARDSDDC Publications November 1991 i GENERAL specification 11 - CONCRETE CONTENTS Page Chapter 1 - GENERAL Scope 1-1 Submittals 1-2 Loading and Support of CONCRETE 1-3 Definitions 1-3 ASTM Standards 1-8 Other Reference Standards and Publications 1-10 Field References 1-11 Quality Assurance 1-12 Chapter 2 - Materials GENERAL 2-1 Submittals 2-1 Cement 2-1 Admixtures 2-1 Water 2-2 Aggregates 2-2 Storage of Materials 2-4 Identification of Materials 2-5 Change of Materials 2-5 Chapter 3 - Proportioning

2 GENERAL 3-1 Submittals 3-1 Strength 3-1 Weight 3-1 Durability 3-2 Slump 3-2 Maximum Size of Coarse Aggregate 3-3 Admixtures 3-3 Proportioning of Ingredients 3-4 Grout and Mortar 3-6 CONCRETE for Floors 3-8 Chapter 4 - Formwork GENERAL 4-1 Submittals 4-1 Design of Formwork 4-2 Tolerances 4-3 Preparation of Formed Surfaces 4-5 Construction and Erection of Forms 4-6 November 1991 ii Removal of Forms 4-6 Reshoring 4-6 Removal Strength 4-7 Chapter 5 - Reinforcement GENERAL 5-1 Submittals 5-1 Reinforcement 5-1 Wire Bar Supports 5-3 Coated Wire Reinforcement Supports 5-3 Precast CONCRETE Reinforcement Supports 5-3 Welding 5-3 Fabrication 5-4 Fabricating and Placing Tolerances 5-4 Placing 5-4 Fully Encased Structural Steel Members 5-8 Exposed Reinforcement 5-8 Field Cutting of Reinforcement 5-8 Reinforcement Through Expansion Joint 5-8 Chapter 6 - Joints, Embedded Items, Miscellaneous Precast and Cast-In-Place Items, CONCRETE Ornaments.

3 And Lightweight CONCRETE Fills GENERAL 6-1 Submittals 6-1 Construction Joints 6-1 Expansion Joints 6-2 Water Stops 6-3 Work in Connection with Other Sections and/or Contracts 6-3 Miscellaneous Precast and Cast-in-Place Items 6-4 CONCRETE Ornaments 6-5 Placing Embedded Items 6-6 Lightweight CONCRETE Fill 6-6 Other Fills 6-6 Chapter 7 - Production of CONCRETE GENERAL 7-1 Submittals 7-1 Ready-Mixed CONCRETE 7-1 Batch Mixing at Site 7-2 Control of Admixtures 7-2 Structural Lightweight CONCRETE 7-3 Tempering and Control of Mixing Water 7-5 Weather Conditions 7-6 Mixing Small Quantities of CONCRETE 7-7 November 1991 iii Chapter 8 - Placing GENERAL 8-1 Submittals 8-1 Preparation Before Placing 8-2 Conveying 8-3 Depositing 8-3 Protection, Weather, Placing, and Preparation of Forms 8-7 Bonding 8-8 Concreting Under Water 8-9 Protection and Cleaning of Exposed Structural Steel 8-9 Grout and Mortar 8-10 Grouting and Protection of Various Bases 8-11 Chapter 9 - Repair of Surface Defects GENERAL 9-1 Submittals 9-1 Repair of Defective Areas 9-1 Tie Holes 9-2 Removal of Stains, Rust, Efflorescence.

4 And Surface Deposits 9-2 Chapter 10 - Finishing of Structural CONCRETE Formed Surfaces GENERAL 10-1 Submittals 10-1 As-Cast Finishes 10-1 Rubbed Finishes 10-1 Unspecified Finish 10-2 Related Unformed Surfaces 10-2 Chapter 11 - Slabs GENERAL 11-1 Submittals 11-1 Performance and Design Requirements 11-1 Slabs on Ground 11-1 Edge Forms and Screeds 11-1 Placement 11-2 Jointing 11-2 Consolidation 11-2 Finishing Unformed Surfaces 11-2 Pitch to Drains 11-5 Special Treatments 11-5 Chapter 12 - Curing and Protection GENERAL 12-1 Submittals 12-1 Materials 12-1 November 1991 iv Preservation of Moisture 12-1 Temperature, Wind and Humidity 12-2 Rate of Temperature Change 12-5 Protection from Mechanical Injury 12-6 Chapter 13 - Architectural CONCRETE GENERAL 13-1 Submittals 13-1 Quality Assurance 13-2 Product Delivery, Storage, and Handling 13-2 Project Conditions 13-2 Products 13-2 Proportioning 13-2 Forms 13-2 Placing of CONCRETE 13-3 Special Architectural Finishes 13-4 Patching 13-5 Chapter 14 - Mass CONCRETE GENERAL 14-1 Submittals 14-1 Materials 14-1 Proportioning 14-1 Placing 14-2 Curing and Protection 14-2 Chapter 15 - Prestressed CONCRETE GENERAL 15-1 Submittals 15-1 Quality Assurance 15-2 Product Delivery, Handling.

5 And Storage 15-3 Products 15-3 Grout 15-4 Formwork 15-5 Placement and Protection of Tendons and Accessories 15-5 Chapter 16 - Testing GENERAL 16-1 Submittals 16-1 Testing Service 16-1 Additional Services 16-5 Other Testing Services as Needed 16-5 Payment for Testing Services 16-6 Authority and Duties of Testing Agency 16-6 Responsibilities and Duties of Contractor 16-6 Tests on Hardened CONCRETE In Place 16-7 November 1991 v Chapter 17 - Evaluation of CONCRETE Quality GENERAL 17-1 Evaluation of Compressive Test Results 17-1 Evaluation of Questionable In-Place CONCRETE 17-1 Construction by Nondestructive Methods Evaluation of Questionable In-Place CONCRETE 17-2 Construction from Core Tests Evaluation Committee 17-2 Additional Curing 17-3 Acceptance of CONCRETE 17-3 Chapter 18 - Acceptance of Structure GENERAL 18-1 Dimensional Tolerances 18-1 Appearance 18-2 Strength of Structure 18-2 Action Required When Strength Is Potentially Deficient 18-3 Durability 18-3 Withholding 18-3 Retainage 18-4 Rejected CONCRETE 18-4 Protection of In-Place CONCRETE 18-4 Chapter 19 - Slabs on Earth.

6 Curbs and Drainage Structures GENERAL 19-1 Other city Agencies 19-1 CONCRETE Strength 19-1 Preparation of Foundation 19-2 Construction 19-2 Sidewalk CONCRETE 19-3 Drainage Structures 19-6 Special Pavements and/or Sidewalks 19-6 Chapter 20 - Measurement and Payment GENERAL 20-1 CONCRETE 20-1 Reinforcement 20-1 November 1991 vi NO TEXT ON THIS PAGE November 1991 1-1 GENERAL specification 11 - CONCRETE CHAPTER 1 - GENERAL Scope This specification covers cast-in-place structural CONCRETE for use in buildings and structures, paving CONCRETE (except heavy duty paving CONCRETE ), precast, and miscellaneous cast-in-place CONCRETE except as noted in The following chapters are contained within this specification : No.

7 Of Pages Chapter 1 - GENERAL 12 Chapter 2 - Materials 5 Chapter 3 - Proportioning 8 Chapter 4 - Formwork 8 Chapter 5 - Reinforcement 8 Chapter 6 - Joints, Embedded Items, Miscellaneous Precast 6 and Cast-in-Place Items, CONCRETE Ornaments, and Lightweight and CONCRETE Fills Chapter 7 - Production of CONCRETE 7 Chapter 8 - Placing 11 Chapter 9 - Repair of Surface Defects 2 Chapter 10 - Finishing of Structural CONCRETE Formed Surfaces 2 Chapter 11 - Slabs 5 Chapter 12 - Curing and Protection 6 Chapter 13 - Architectural CONCRETE 5 Chapter 14 - Mass CONCRETE 2 Chapter 15 - Prestressed CONCRETE 7 Chapter 16 - Testing 8 Chapter 17 - Evaluation of CONCRETE Quality 3 Chapter 18 - Acceptance of Structure 4 November 1991 1-2 Chapter 19 - Slabs on Earth.

8 Curbs and Drainage Structures 6 Chapter 20 - Payment 2 The following subjects are considered outside the scope of these SPECIFICATIONS . (1) Thin section precast CONCRETE construction (including architectural wall panels) and precast floor and roof units or precast wall or column sections. (2) Heavy weight shielding CONCRETE (3) Heavy duty paving CONCRETE (high density CONCRETE or latex modified CONCRETE toppings). (4) Terrazzo (5) Insulating CONCRETE (6) Refractory CONCRETE (7) Composite construction (8) Gunned Applications (Shotcrete, Gunite, etc.) (9) Intrusion grouting (Prepack CONCRETE ) Submittals GENERAL Submittals required within the following sections by this standard specification shall be submitted for review unless specifically stated for acceptance, in which case the submittal shall be approved by the Engineer.

9 A basic list of required submittals will be found at the beginning of each chapter. All material, equipment, and aggregate approved by the Materials Bureau of the New york State Department of Transportation (NYSDOT), in the NYSDOT publications: Code Approved materials and equipment for use on NYSDOT Projects, October 1989. Code Approved sources of fine and coarse aggregates, February 1989. respectively, are acceptable for use without a detailed submission. Submittal is required stating the particular material, equipment or aggregate sources to be used with approval identification number, and/or page number. Test and Inspection Reports Testing agencies shall report the results of all tests and inspections performed during the course of the work to the Supervising Engineer for CONCRETE Construction on a form satisfactory to the Department.

10 November 1991 1-3 Loading and Support of CONCRETE Construction loads shall not exceed the superimposed load which the member, with necessary supplemental support, is capable of carrying safely and without damage. The amount and method of distributing the loads and the proposed supplemental supports during construction shall be acceptable at all times to the Engineer. Definitions The following terms are defined for GENERAL use in these SPECIFICATIONS : (Project) "Detailed specification - CONCRETE " - Any individual specification which employs the " GENERAL specification - CONCRETE " whether attached or by reference, which serves as the instrument for making the mandatory and optional selections required under this specification and for specifying items not covered herein.